GaullismPronunciation: /ˈgəʊlɪz(ə)m/Definition of Gaullism noun [mass noun] the principles and policies of Charles de Gaulle, characterized by conservatism, nationalism, and advocacy of centralized government. Derivatives Gaullist noun & adjective Origin: 1940s: from French GaullismeGaullism in other Oxford dictionaries Definition of Gaullism in the US English dictionary